Industry

YC Infrastructure Companies

199 Y Combinator infrastructure startups with verified founder contacts, batch info, and company data.

199

Companies

162

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Autumn AI	W26	Stalk your prospects at scale.	Active	San Francisco, CA, USA	2	Shiv Kampani, Vishnu Sampathkumar	Reveal
Cascade	W26	Making Autonomous Intelligence Safe & Reliable	Active	San Francisco, CA, USA	2	Adam AlSayyad, Haluk Cem Demirhan	Reveal
Chamber	W26	Autopiloting your AI infrastructure	Active	San Francisco, CA, USA	4	Charles Ding, Andreas Bloomquist, Jason Ong, Shaocheng Wang	Reveal
Coevolved	W26	Agents for Mortgage Origination	Active	—	2	Alex Li, Athan Zhang	Reveal
Compresr	W26	LLM-native context compression	Active	San Francisco, CA, USA	4	Berke Argin, Kamel Charaf, Oussama Gabouj, Ivan Zakazov	Reveal
Cumulus Labs	W26	The Optimized GPU Cloud	Active	San Francisco, CA, USA	2	Suryaa Rajinikanth, Veer Shah	Reveal
Didit	W26	All-in-one identity platform for fast human verification.	Active	San Francisco, CA, USA	12	Alberto Rosas, Alejandro Rosas	Reveal
Haladir	W26	AI-Enabled Mainframe Modernization and Code Translation.	Active	San Francisco, CA, USA	4	Jibran Hutchins, Quan Huynh, Preston Schmittou, Joseph Tso	Reveal
IncidentFox	W26	AI SRE agent that triages, coordinates, and fixes production incidents	Active	San Francisco, CA, USA	2	Jimmy Wei, Long Yi	Reveal
Luel	W26	Turning everyday words and actions into usable training data.	Active	San Francisco, CA, USA	2	Inigo Lenderking, William Namgyal	Reveal
Mantis Biotechnology	W26	The Infrastructure Powering Human-In-Computer Models	Active	New York, NY, USA	3	Georgia Witchel	Reveal
Orthogonal	W26	Agentic Payments for APIs	Active	San Francisco, CA, USA	2	Christian Pickett, Bera Sogut	Reveal
Oximy	W26	The system of record for enterprise AI usage.	Active	San Francisco, CA, USA	5	Naman Ambavi	Reveal
Piris Labs	W26	Inference at Light Speed	Active	San Francisco, CA, USA	2	Ali Khalatpour, Keyvan Moghadam	Reveal
RunAnywhere	W26	The default way of running On-Device AI at Scale	Active	—	2	Shubham Malhotra, Sanchit Monga	Reveal
Salus	W26	Guardrails to validate your agent's actions before they execute	Active	San Francisco, CA, USA	2	Kevin Pan, Vedant Singh	Reveal
Shofo	W26	Common Crawl for Video	Active	San Francisco, CA, USA	4	Bryan Hong, Andre Braga, Braiden Dishman, Alexzendor Misra	Reveal
Tensol	W26	AI Employees for your Business, Powered by OpenClaw	Active	San Francisco, CA, USA	2	Oliviero Pinotti, Pratik Satija	Reveal
Terminal Use	W26	Vercel for background agents	Active	San Francisco, CA, USA	4	Filip Balucha, Stavros Filosidis, Vivek Raja	Reveal
AfterQuery	W25	Research lab investigating the boundaries of AI capabilities.	Active	San Francisco, CA, USA	20	Danny Tang, Carlos Georgescu, Spencer Mateega	Reveal
assistant-ui	W25	Open Source React.js Library for AI Chat	Active	San Francisco, CA, USA	3	Simon Farshid	Reveal
Butter	W25	Muscle Memory Cache for Agents	Active	—	2	Erik Dunteman	Reveal
Flowtel	W25	The AI Voice agents for hotels	Active	San Francisco, CA, USA	5	Eylon Miz	Reveal
Mundo AI	W25	High Quality Multilingual Training Data for AI Models	Active	San Francisco, CA, USA	4	Jason Liao, Naijide Anwaer, Garreth Lee, Kenneth Wu	Reveal
TensorPool	W25	Vercel For GPUs	Active	—	3	Tycho Svoboda, Joshua Martinez, Hlumelo Notshe	Reveal
ZeroEntropy	W25	High accuracy search API over unstructured data.	Active	—	2	Ghita Houir Alami, Nicholas Pipitone	Reveal
14.ai	W24	AI Customer Service Agency for Your B2C Business	Active	San Francisco, CA, USA	3	Marie Schneegans, Michael Fester	Reveal
Blacksmith	W24	The fastest way to run your GitHub Actions	Active	—	3	Aditya (JP) Jayaprakash, Aditya Maru, Aayush Shah	Reveal
Celest	W24	The Vercel of Flutter	Inactive	San Francisco, CA, USA	1	Dillon Nys	Reveal
Downlink	W24	Make your LLMs 3x faster.	Active	San Francisco, CA, USA	1	TJ Murphy	Reveal
Engines	W24	Setup any repo with one command	Inactive	San Francisco, CA, USA	2	Josh Valdez, Jet Zhou	Reveal
Hatchet	W24	Background task orchestration and visibility	Active	New York, NY, USA	7	Alexander Belanger, Gabe Ruttner	Reveal
Hatchet	W24	Background task orchestration and visibility	Active	New York, NY, USA	7	Alexander Belanger, Gabe Ruttner	Reveal
Retell AI	W24	Supercharge Your Contact Center Operations with AI Phone Agents	Active	—	24	Bing Wu, Todd Li, Evie Wang, Weijia Yu, Zexia Zhang	Reveal
ROE	W24	AI for risk and compliance	Active	San Mateo, CA, USA	9	Richard Meng	Reveal
Ubicloud	W24	Open source alternative to AWS	Active	—	15	Umur Cubukcu, Ozgun Erdogan, Daniel Farina	Reveal
Vibrant Labs	W24	RL environments for long horizon AI Agents	Active	San Francisco, CA, USA	2	Jithin James, Shahul ES	Reveal
Arroyo	W23	Cloud-native stream processing	Acquired	Berkeley, CA, USA	2	Micah Wylde	Reveal
infra.new	W23	AI Agent for Cloud Infrastructure	Active	—	3	Josh Tanke, Caleb Van Dyke	Reveal
Magicflow 𐂂	W23	The Gen AI evaluation and curation platform	Inactive	Tel Aviv-Yafo, Israel	2	Yarden Shem Tov, Yotam Hamiel	Reveal
Middleware	W23	AI-based full stack observability platform	Active	133 Kearny St, San Francisco, CA 94108, USA	40	Laduram Vishnoi	Reveal
Odigos Technologies Inc.	W23	Enterprise-Grade OpenTelemetry	Active	Boston, MA, USA	16	Ari Recht, Eden Federman	Reveal
OpenMeter	W23	Usage Metering, AI & API Monetization	Acquired	—	7	Peter Marton, Andras Toth	Reveal
Reflex	W23	The operating system for building mission-critical enterprise apps.	Active	San Francisco, CA, USA	10	Nikhil Rao, Alek Petuskey	Reveal
Rivet	W23	Open-Source alternative to Durable Objects	Active	San Francisco, CA, USA	5	Nicholas Kissel, Nathaniel Flurry	Reveal
SuperAPI	W23	Programmable API gateway that makes APIs cacheable	Active	Chennai, Tamil Nadu, India	2	Adithya Kavuluru	Reveal
Texel.ai	W23	Run AI pipelines 10x faster	Active	—	2	Rahul Sheth, Eli Semory	Reveal
Unify	W23	Hire AI — Not APIs ✨	Active	London, UK	10	Daniel Lenton	Reveal
Versori	W23	Agentic integrations & automations for enterprise	Active	Manchester, UK	16	Sean Brown, Dan Jones	Reveal
ZeroDev	W23	Account abstraction wallets as a service	Active	New York, NY, USA	5	Derek Chiang	Reveal

Batch Distribution

WW2619 WW257 WW2411 WW2313 WW2219 WW219

Status Breakdown

Active162 Acquired21 Inactive16

Top Locations

San Francisco95 New York14 London5 Mountain View5 Palo Alto5 San Mateo3

About YC Infrastructure Companies

Y Combinator has funded 199 infrastructure companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of infrastructure innovation globally.

162 of these companies are currently active. 21 have been acquired. VCBacked tracks verified founder contact information, team sizes, and company status for every YC infrastructure startup.

Related Industries

B2B641 Engineering, Product and Design139 Industrials89 Consumer80 Healthcare78 Fintech65 Productivity38 Manufacturing and Robotics30

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